Home / 11,799.40-16,283.46-6,493.72

Finding the Fourth Proportional to 11,799.40, 16,283.46 and 6,493.72

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Solution

The fourth proportional to 11,799.40, 16,283.46 and 6,493.72 is: 8,961.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,799.40 : 16,283.46 = 6,493.72 : x
  2. Step 2: Convert to fraction form
    11,799.40/16,283.46 = 6,493.72/x
  3. Step 3: Cross multiply
    11,799.40x = 16,283.46 × 6,493.72
  4. Step 4: Simplify right side
    11,799.40x = 105,740,229.87
  5. Step 5: Solve for x
    x = 105,740,229.87/11,799.40
  6. Step 6: Final answer
    x = 8,961.49

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.